桜草: a primrose, specifically the Japanese primrose, Primula sieboldii

The katakana syllable ロ (ro). Its equivalent in hiragana is ろ (ro). It is the forty-third syllable in the gojūon order; its position is ラ行オ段 (ra-gyō o-dan, “row ra, section o”).

continue without a break / continue to occur in succession

shut up